If a coin is flipped three times what is the probability of getting heads at least twice. AND PLS HELP I NEED ANSWERS FOR A 21 PROBLEM MATH TEST I Am WELLING GIVE HECK OF POINTS FOR THIS And PLS GIVE RIGHT answers I been HAVING ALL F’s FOR 3 SERMERTS PLS HELP ME OUT GUYS and I keep leaving questions

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).